Keyphrases
- language model
- language modeling
- document retrieval
- probabilistic model
- n gram
- retrieval model
- information retrieval
- speech recognition
- test collection
- mixture model
- query terms
- context sensitive
- language models for information retrieval
- query expansion
- language model for information retrieval
- language modelling
- prior knowledge
- relevance model
- pseudo relevance feedback
- statistical language models
- ad hoc information retrieval
- knowledge discovery